Home / 123,428,875.42-185,169,205.77-46,750,205.98

Finding the Fourth Proportional to 123,428,875.42, 185,169,205.77 and 46,750,205.98

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Solution

The fourth proportional to 123,428,875.42, 185,169,205.77 and 46,750,205.98 is: 70,135,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,428,875.42 : 185,169,205.77 = 46,750,205.98 : x
  2. Step 2: Convert to fraction form
    123,428,875.42/185,169,205.77 = 46,750,205.98/x
  3. Step 3: Cross multiply
    123,428,875.42x = 185,169,205.77 × 46,750,205.98
  4. Step 4: Simplify right side
    123,428,875.42x = 8,656,698,510,900,504
  5. Step 5: Solve for x
    x = 8,656,698,510,900,504/123,428,875.42
  6. Step 6: Final answer
    x = 70,135,116.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.